CN101591520B - Aldehyde-free water-based adhesive for straw board - Google Patents
Aldehyde-free water-based adhesive for straw board Download PDFInfo
- Publication number
- CN101591520B CN101591520B CN2009100116613A CN200910011661A CN101591520B CN 101591520 B CN101591520 B CN 101591520B CN 2009100116613 A CN2009100116613 A CN 2009100116613A CN 200910011661 A CN200910011661 A CN 200910011661A CN 101591520 B CN101591520 B CN 101591520B
- Authority
- CN
- China
- Prior art keywords
- component
- aldehyde
- based adhesive
- free water
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000010902 straw Substances 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 15
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 18
- 235000019353 potassium silicate Nutrition 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 10
- 239000012948 isocyanate Substances 0.000 abstract description 5
- 240000007594 Oryza sativa Species 0.000 abstract description 4
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 4
- 240000006394 Sorghum bicolor Species 0.000 abstract description 4
- 235000011684 Sorghum saccharatum Nutrition 0.000 abstract description 4
- 235000021307 Triticum Nutrition 0.000 abstract description 4
- 240000008042 Zea mays Species 0.000 abstract description 4
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 4
- 235000005822 corn Nutrition 0.000 abstract description 4
- 235000009566 rice Nutrition 0.000 abstract description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract description 3
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 244000098338 Triticum aestivum Species 0.000 abstract 1
- 239000004305 biphenyl Substances 0.000 abstract 1
- 235000010290 biphenyl Nutrition 0.000 abstract 1
- 239000001768 carboxy methyl cellulose Substances 0.000 abstract 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 abstract 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 abstract 1
- -1 methyl diphenyl isocyanate Chemical class 0.000 abstract 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 21
- 239000003292 glue Substances 0.000 description 18
- 239000003795 chemical substances by application Substances 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 241000209140 Triticum Species 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to an aldehyde-free water-based adhesive for a straw board, which belongs to the technical field of macromolecular adhesives. The aldehyde-free water-based adhesive is a bicomponent adhesive, wherein a component A is solid and consists of polyvinyl alcohol (PVA), carboxymethyl cellulose and sodium silicate; and a component B is liquid and is solution containing methyl diphenyl isocyanate (MDI). When the aldehyde-free water-based adhesive is used, the solid component A is dissolved by hot water and then the two components are mixed evenly according to certain proportion at room temperature. The aldehyde-free water-based adhesive has the advantages of simple production process and equipment, easily obtained raw materials, low cost which is about 1.5 to 2 times of that of urea-formaldehyde resin adhesive, and wide adhering objects, and is applicable to adhering sorghum stalks, corn stalks, rice straws, wheat stalks and the like to prepare various sheet materials.
Description
Technical field
The present invention relates to a kind of macromolecule adhesive, particularly relate to a kind of aldehyde-free water-based adhesive for straw board.
Background technology
The natural biological stalk becomes the focus that sheet material market is paid close attention to the peculiar advantage of its " good and cheap, as to turn waste into wealth ", with agricultural wastes---and sorghum stalks, corn stalk, rice straw, wheat straw etc. are raw material; Apply tackiness agent, process sheet material, not only reduced social effects of pollution; And can optimize the environment; Increase farmers' income, solve the reemployment problem, opened up a new road for practicing thrift the forest reserves simultaneously.
Mainly use at present " three aldehyde " glue on the sheet material market, i.e. urea-formaldehyde resin adhesive, Phenol aldehyde resin, melamine-formaldehyde resin adhesive etc., these several kinds of glue low prices, but, can cause environmental pollution because of producing and being prone to release formaldehyde when using, be restricted in the application.For solving the application problem of " three aldehyde " glue, a large amount of so-called no aldehyde glue have appearred on the sheet material market, and this glue probably has two types: the one, original " three aldehyde " glue is carried out modification; Reduce the content of formaldehyde, satisfy existing national standard, generally be add can with the material of formolite reaction; As increase the consumption of urea or phenol; Or add a spot of urea or phenols in the later stage, reduce the content of formaldehyde in the glue, the release rate of formaldehyde though this method can slow down; Short period of time can be received effect, but the release of formaldehyde can't be avoided.The 2nd, adopt the glue of other types, like white glue with vinyl, EVA glue etc., this type glue can only use in wood working, like the bonding between timber and the timber, can not be used for making wood veneer.The emulsible isocyanic ester of external at present main employing is done wood veneer, and this glue does not contain formaldehyde, and active isocyanate groups ability and many compounds that contains reactive hydrogen carry out addition reaction; As with timber in hydroxyl reaction; Bonding strength is high, water-tolerant, but this glue cost is high; Be 8～10 times of urea-formaldehyde resin adhesive approximately, domesticly generally promote.
Summary of the invention
The objective of the invention is to select watersoluble polyvinyl alcohol (PVA) modification, prepare no aldehyde watersoluble polyvinyl alcohol-isocyanate adhesive.The aqueous solution of host PVA has embodied Water-borne modification; Auxiliary agent such as cellulose substances, water glass has embodied solidification; Do not use formaldehyde and contain benzene solvent and embodied low poisoning; Tackiness agent does not pollute the environment, does not have toxic and harmful and discharges, do not produce irritating smell, is health environment-friendly type tackiness agent, is applicable to the sheet material that raw materials such as bonding sorghum stalks, corn stalk, rice straw, wheat straw are processed.
The technical solution that the present invention provides is:
A kind of aldehyde-free water-based adhesive for straw board, it is a two component adhesive, the A component is a solid, is made up of Z 150PH (PVA), CMC 99.5, water glass; The B component is a liquid, for containing the solution of diphenylmethanediisocyanate (MDI), evenly gets final product through hot water dissolving, cooling, two component mixed at room temperature.
Described a kind of stalk plate is used aldehyde-free cement, and it consists of: solid A component is made up of the Z 150PH that accounts for total mass 35～50%, 25～40% CMC 99.5,10～40% water glass; The B component is for containing the zellon solution of diphenylmethanediisocyanate (MDI) 10～50%.
Aforesaid a kind of stalk plate is used aldehyde-free cement, and its manufacture craft is: get Z 150PH 35～50%, CMC 99.5 25～40%, water glass 10～40% composition A components by quality; Diphenylmethanediisocyanate (MDI) is mixed with 10～50% zellon solution as the B component; With being made into 10～30% aqueous solution in the solid A component adding hot water, stir after the cooling, add the B component again, component A and B mass ratio are 2: 1～10: 1, mixed at room temperature stirs.
Advantage of the present invention and effect are:
Sticking with glue agent with existing artificial board compares; The stalk that the present invention provides with the beneficial effect of aldehyde-free cement is: this tackiness agent is applicable to that bonding sorghum stalks, corn stalk, rice straw, wheat straw etc. process various sheet materials; Effectively utilized crop genetic resource; Overcome the limitation that three-aldehyde glue uses, exempted the formaldehyde pollution, reduced the price of pure isocyanate adhesive.In order to make tackiness agent and substrate surface that enough contacts area arranged, in tackiness agent, add cellulose substances as extender, improve bonding strength.This glue preparation is easy, mixes well under the mild condition, room temperature to get final product.Prepare sheet material with this glue, can warming and pressurizing solidify, the curing of can colding pressing again, TR and pressure range are wide, can select suitable pressure and temperature condition to prepare standard compliant sheet material according to different purposes.
Description of drawings
Accompanying drawing is preparation technology's skeleton diagram of a kind of aldehyde-free water-based adhesive for straw board of the present invention.
Embodiment
For reducing the price of isocyanate glue, the present invention selects watersoluble polyvinyl alcohol (PVA) modification, prepares no aldehyde watersoluble polyvinyl alcohol-isocyanate adhesive.For adapting to the needs of society and environmental protection, the present invention has developed Water-borne modification, solidification and low the poisoning of tackiness agent.The aqueous solution of host PVA has embodied Water-borne modification, and auxiliary agents such as cellulose substances, water glass have embodied solidification, does not use formaldehyde and contains benzene solvent and embodied low poisoning.Use this type adhesive not pollute the environment, do not have toxic and harmful and discharge, do not produce irritating smell, be health environment-friendly type tackiness agent.This tackiness agent is a two component adhesive, and the A component is a solid, is made up of PVA, CMC 99.5, water glass; The B component is a liquid, for containing the solution of diphenylmethanediisocyanate (MDI).During use, earlier solid ingredient A is used the hot water dissolving, two components are mixed under the room temperature by a certain percentage get final product again.
Embodiment 1:
Present embodiment provides a kind of aldehyde-free water-based adhesive for straw board, and this tackiness agent is a two-pack, and wherein the A component is a solid, is made up of PVA, CMC 99.5, water glass; The B component is a liquid, is the solution of diphenylmethanediisocyanate (MDI).Form the A solid constituent by quality weighing polyvinyl alcohol 10Kg, cellulose substances 5Kg, water glass 5Kg during preparation; The hot water that solid A component is added 90Kg stirs after the cooling; Add 2Kg B component again; The B component is the zellon solution of diphenylmethanediisocyanate (MDI) 10～50%, and mixed at room temperature stirs.
The physical and chemical performance index of gained tackiness agent is following:
Appearance milky white
Viscosity/mPas 880
PH value 6.9
Water Combination/doubly 2.8
Working life/h 6～8
Embodiment 2:
Present embodiment provides a kind of aldehyde-free water-based adhesive for straw board, and this tackiness agent is a two-pack, and wherein the A component is a solid, is made up of PVA, CMC 99.5, water glass; The B component is a liquid, is the solution of diphenylmethanediisocyanate (MDI).Get Z 150PH 8Kg, cellulose substances 8Kg, water glass 5Kg composition A solid constituent by quality during preparation; The hot water that solid A component is added 90Kg stirs after the cooling; Add 8Kg B component again; The B component is the zellon solution of diphenylmethanediisocyanate (MDI) 10～50%, and mixed at room temperature stirs.
In the actual production,, can adjust each amounts of components, reach suitable viscosity according to production needs and manipulation require at present with join at present.
Claims (2)
1. an aldehyde-free water-based adhesive for straw board is characterized in that it is a two component adhesive, and the A component is a solid, is made up of the Z 150PH that accounts for total mass 35～50%, 25～40% CMC 99.5,10～40% water glass; The B component is a liquid, for containing the zellon solution of diphenylmethanediisocyanate 10～50%, evenly gets final product through hot water dissolving, cooling, two component mixed at room temperature.
2. a kind of aldehyde-free water-based adhesive for straw board according to claim 1 is characterized in that manufacture craft is: get Z 150PH 35～50%, CMC 99.5 25～40%, water glass 10～40% composition A components by quality; Diphenylmethanediisocyanate is mixed with 10～50% zellon solution as the B component; With being made into 10～30% aqueous solution in the solid A component adding hot water, stir after the cooling, add the B component again, component A and B mass ratio are 2: 1～10: 1, mixed at room temperature stirs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100116613A CN101591520B (en) | 2009-05-21 | 2009-05-21 | Aldehyde-free water-based adhesive for straw board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100116613A CN101591520B (en) | 2009-05-21 | 2009-05-21 | Aldehyde-free water-based adhesive for straw board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101591520A CN101591520A (en) | 2009-12-02 |
| CN101591520B true CN101591520B (en) | 2012-05-23 |
Family
ID=41406404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100116613A Expired - Fee Related CN101591520B (en) | 2009-05-21 | 2009-05-21 | Aldehyde-free water-based adhesive for straw board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101591520B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040925B (en) * | 2010-12-06 | 2012-11-14 | 张海宽 | Adhesive for paper products and production method thereof |
| CN103770190A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Method for manufacturing plates through wheat straw |
| ES2527869B1 (en) * | 2014-10-27 | 2015-11-12 | Fundació Privada Institut Català De La Fusta (Incafust) | Glued laminated wood profile for interior and exterior carpentry and manufacturing process |
| CN106281182B (en) * | 2016-08-09 | 2019-04-02 | 双成森工科技（北京）有限公司 | Wood-based plate aqueous polyurethane is without aldehyde glue |
| CN108473663A (en) * | 2016-10-13 | 2018-08-31 | 宁德新能源科技有限公司 | Binder and electrochemical energy storage device thereof |
| CN107793935A (en) * | 2017-10-25 | 2018-03-13 | 成都森钰泓绿化工程有限公司 | A kind of preparation method of Environment-friendlyadhesive adhesive for timber processing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884414A (en) * | 2005-06-25 | 2006-12-27 | 德华兔宝宝装饰新材股份有限公司 | Aldehyde-free cement for wood-based panel |
| CN101210159A (en) * | 2006-12-30 | 2008-07-02 | 王喆 | Bicomponent environment-friendly type adhesive and preparing method thereof |
| CN101351483A (en) * | 2005-12-27 | 2009-01-21 | 可乐丽股份有限公司 | Adhesive composition |
-
2009
- 2009-05-21 CN CN2009100116613A patent/CN101591520B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884414A (en) * | 2005-06-25 | 2006-12-27 | 德华兔宝宝装饰新材股份有限公司 | Aldehyde-free cement for wood-based panel |
| CN101351483A (en) * | 2005-12-27 | 2009-01-21 | 可乐丽股份有限公司 | Adhesive composition |
| CN101210159A (en) * | 2006-12-30 | 2008-07-02 | 王喆 | Bicomponent environment-friendly type adhesive and preparing method thereof |
Non-Patent Citations (6)
| Title |
|---|
| JP昭56-166279A 1981.12.21 |
| JP特开2004-131719A 2004.04.30 |
| JP特开平11-80484A 1999.03.26 |
| 余兰萍."水性乳液--聚氨酯系粘合剂".《粘接》.1989,第10卷(第4期),21-24. |
| 张玉龙等."聚乙烯醇胶粘剂".《实用胶黏剂配方与生产300例》.中国纺织出版社,2008,254-256. |
| 谷文合等."聚乙烯醇改性木材胶".《辽宁化工》.1988,(第5期),30-31. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101591520A (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101591520B (en) | Aldehyde-free water-based adhesive for straw board | |
| CN104194696B (en) | A kind of modified urea-formaldehyde resin adhesive of resistance to boiling water and preparation method thereof | |
| CN101058207B (en) | Maize stalk and/or wheat stalk composite board and its manufacturing method | |
| CN102234493B (en) | Plant composite adhesive for man-made board and preparation method thereof | |
| CN103031095A (en) | Adhesive for veneering of artificial board and preparation method of adhesive | |
| CN105199627B (en) | Environment protecting plant glue and preparation method thereof | |
| CN100999651A (en) | Preparation process and application of water resistant starch-base timber adhesive | |
| CN1884332B (en) | Urea-formaldehyde resin and its preparation method | |
| CN102604021B (en) | Method for synthesizing urea-formaldehyde resin containing micro free formaldehyde for E0-level artificial boards | |
| CN101760159B (en) | Adhesive for formaldehyde-free artificial board and preparation method thereof | |
| CN101328252B (en) | Preparation of low free monomer, degradable persimmon tannin modified phenolic resin | |
| CN109181612A (en) | A kind of water resistance biology base adhesive and preparation method thereof | |
| CN104311767A (en) | Modified urea-formaldehyde resin adhesive and preparation method thereof | |
| CN101191039A (en) | Method for preparing paper-making black liquor adhesive | |
| CN102501288A (en) | Method for preparing environment-friendly urea-formaldehyde resin adhesive particle plate of corn straw skins | |
| CN101298520B (en) | Urea-formaldehyde resin additive, preparation thereof and urea-formaldehyde resin adhesive | |
| CN102040747B (en) | Plant modified polymer powder | |
| CN103865459A (en) | Phenolic resin glue containing potassium ion alkali compound and preparation method thereof | |
| CN106753063B (en) | The preparation method of water resistance wheat flour adhesive | |
| CN100360629C (en) | Multifunctional aqueous adhesive and its prepn | |
| CN101629058B (en) | Solid rubber powder for man-made boards | |
| CN101191038A (en) | Method for preparing paper-making black liquor adhesive | |
| CN105348460B (en) | A kind of cellulosic ethanol lignin modification Phenolic resin wood adhesive and preparation method thereof | |
| CN108130022A (en) | For the adhesive of artificial board of straw and the preparation method of artificial board of straw | |
| CN103666350B (en) | Maltose-carbamide condensation copolymerization resin wood adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190606 Address after: No. 6 Nanping Road, Hunnan District, Shenyang City, Liaoning Province, 110159 Patentee after: SHENYANG LIGONG University Address before: 110168 Shenyang Construction University, 9 Hunnan Road, Hunnan New District, Shenyang, Liaoning Patentee before: SHENYANG JIANZHU University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |